A powered dispenser for dispensing individual sheet segments from a continuous roll of sheet material provided with spaced tear lines comprises a powered feed mechanism, a releasable, powered drive mechanism, a powered transfer mechanism, a pair of web sensing sensors, a capacitive sensing system providing...http://www.google.com/patents/US7237744?utm_source=gb-gplus-sharePatent US7237744 - Apparatus and methods usable in connection with dispensing flexible sheet material from a roll
